16-letter words containing i, b, a
- gibberellic acid — a gibberellin C 18 H 21 O 4 COOH, produced as a metabolite by the fungus Gibberella fujikuroi, used as a stimulator of plant growth.
- gingerbread palm — doom palm.
- gingerbread plum — a tree, Neocarya macrophylla, of western Africa, bearing a large, edible, starchy fruit.
- gingerbread tree — a W African tree, Parinari macrophyllum, with large mealy edible fruits (gingerbread plums): family Chrysobalanaceae
- global community — the people or nations of the world, considered as being closely connected by modern telecommunications and as being economically, socially, and politically interdependent
- globigerina ooze — a calcareous deposit occurring upon ocean beds and consisting mainly of the shells of dead foraminifers, especially globigerina.
- go out on a limb — say sth daring
- granville-barker — Harley, 1877–1946, English dramatist, actor, and critic.
- grin and bear it — to suffer trouble or hardship without complaint
- hairbrush cactus — a stout, spiny cactus, Pachycereus pecten-aboriginum, of Mexico, having white flowers and bristly fruits sometimes used locally as combs.
- half-blind joint — a corner dovetail joint visible on one face only.
- hanging wardrobe — a wardrobe containing a rail with a large amount of space underneath, so that clothes can be hung on hangers placed onto the rail
- harleian library — a large library of manuscripts collected by the British statesman Robert Harley and his son and now housed in the British Museum.
- have a big mouth — to speak indiscreetly, loudly, or excessively
- have no business — an occupation, profession, or trade: His business is poultry farming.
- hawksbill turtle — a sea turtle, Eretmochelys imbricata, the shell of which is the source of tortoise shell: an endangered species.
- hayes-compatible — (communications) A description of a modem which understands the same set of commands as one made by Hayes.
- hebbian learning — (artificial intelligence) The most common way to train a neural network; a kind of unsupervised learning; named after canadian neuropsychologist, Donald O. Hebb. The algorithm is based on Hebb's Postulate, which states that where one cell's firing repeatedly contributes to the firing of another cell, the magnitude of this contribution will tend to increase gradually with time. This means that what may start as little more than a coincidental relationship between the firing of two nearby neurons becomes strongly causal. Despite limitations with Hebbian learning, e.g., the inability to learn certain patterns, variations such as Signal Hebbian Learning and Differential Hebbian Learning are still used.
- hemangioblastoma — (medicine) Any of several benign neoplasm tumours of the brain.
- herringbone gear — a helical gear having teeth that lie on the pitch cylinder in a V -shaped form so that one half of each tooth is on a right-handed helix and the other half on a left-handed helix.
- heterometabolism — insect development in which the young hatch in a form very similar to the adult and then mature without a pupal stage
- himalayan balsam — a tall flowering plant, Impatiens glandulifera, brought from Asia to Europe as a garden plant but now growing wild in Europe, especially on river banks. It is considered invasive and environmentally damaging.
- hit a brick wall — unable to continue or make progress because of a hindrance
- hold a brief for — to argue for; champion
- horseback riding — activity: riding a horse
- humanly possible — feasible, practical
- huntington beach — a city in SW California, SE of Los Angeles.
- hyaloid membrane — the delicate, pellucid, and nearly structureless membrane enclosing the vitreous humor of the eye.
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hydrobromic acid — a colorless or faintly yellow corrosive liquid, HBr, an aqueous solution of hydrogen bromide.
- hypervariability — apt or liable to vary or change; changeable: variable weather; variable moods.
- icterine warbler — a European variety of tree warbler (Hippolais icterina )
- imaginary number — Also called imaginary, pure imaginary number. a complex number having its real part equal to zero.
- immeasurableness — The state or condition of being immeasurable.
- impenetrableness — The quality of being impenetrable.
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- imperishableness — The characteristic or property of being imperishable.
- imperturbability — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- impracticability — The quality or condition of being impracticable.
- in a brown study — in a reverie or daydream
- in the same boat — a vessel for transport by water, constructed to provide buoyancy by excluding water and shaped to give stability and permit propulsion.
- inaccessibleness — The quality or state of being inaccessible or unreachable.
- inapplicableness — The state or quality of being inapplicable; inapplicability.
- inboard-outboard — Also, outdrive, stern-drive. (of a motorboat) having an inboard engine connected to a maneuverable outboard drive-shaft unit.
- incommensurables — Plural form of incommensurable.
- inconceivability — (uncountable) The quality of being inconceivable.
- inconsolableness — The quality of being inconsolable.
- incontestability — incapable of being contested; not open to dispute; incontrovertible: incontestable proof.
- incontravertable — Misspelling of incontrovertible.